Two Dragons hold a die for many worlds.
The archive contains all resolutions (I know) from 800x600 up to 2560x1600, packaged for KDE 4.
If you like it, please vote for it.
And if you need another resolution, just drop me a line (in the comments).
The source image is the logo of the One Die System ( http://1w6.org ). It was created by Gertrud Wenzel.
Besides: Different from the preview, the included images have transparent backgrounds. To use them with black background, just set your background color to black in systemsettings.